OpenTechnical

OT-2026-000063457

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, vented after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000063457) never changes.

Identity and time

Publication numberOT-2026-000063457 · never reused
Internal UUID01a0ae8c-f944-7607-b487-23235f7c45fc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063457
StatusPUBLIC

Content hashes

Canonical texta7f256a709fa35a617d5d463961a770dd3701cd5d250cc345be89b62d2a3a0f2
Markdown4cd756a1183165b207f63516e72def1c5eff3d53b6ad3df8519f5abe055ba32d
PDF
Publication page42679c16ca864295b84bceaa4fed0d2b01883e983eb1e86cbbcae904342e5495
Manifest9d929cf68d8a5b62a61a7cf6ee75dc73b0202abe7cfad27d83b12234961b4d59

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturejIJz7rY3Z4c2fFVL2kRfh3yHiDoQcUQ9Wx7WxYFG7A56rgXheV/uFCY4Ws1NKKSfiel+S+adMDHRJkVM+gnwDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:37:25.271391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063457
observed 42679c16ca864295b84bceaa4fed0d2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:25.254188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063457/manifest.json
observed 9d929cf68d8a5b62a61a7cf6ee75dc73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:25.235601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063457/publication.md
observed 4cd756a1183165b207f63516e72def1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:25.217249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063457/publication.txt
observed a7f256a709fa35a617d5d463961a770d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.